| File name: | vac.exe |
| Full analysis: | https://app.any.run/tasks/42762f40-aebb-4ccb-9164-0317bcd2614c |
| Verdict: | Malicious activity |
| Threats: | Stealers are a group of malicious software that are intended for gaining unauthorized access to users’ information and transferring it to the attacker. The stealer malware category includes various types of programs that focus on their particular kind of data, including files, passwords, and cryptocurrency. Stealers are capable of spying on their targets by recording their keystrokes and taking screenshots. This type of malware is primarily distributed as part of phishing campaigns. |
| Analysis date: | April 29, 2025, 22:23:20 |
| OS: | Windows 10 Professional (build: 19044, 64 bit) |
| Tags: | |
| Indicators: | |
| MIME: | application/vnd.microsoft.portable-executable |
| File info: | PE32+ executable (console) x86-64 (stripped to external PDB), for MS Windows, 12 sections |
| MD5: | CB367EE9025955F6C0ECBBFF997BDBDE |
| SHA1: | B98984ACB1CCCF33F962DCC01037E83AADFF95C6 |
| SHA256: | A485396EF2FA4D5B1A2712956521D7820A829DAA5AAF0A63A488B6A23D972E44 |
| SSDEEP: | 196608:0Vx+QRPhfMxNgycpe5CEht3s9zwzvaN+wQpd:6JExNPcQ5Ap2qgd |
MALICIOUS
TROX has been detected
- vac.exe (PID: 5936)
SUSPICIOUS
Process drops python dynamic module
- vac.exe (PID: 5936)
Process drops legitimate windows executable
- vac.exe (PID: 5936)
Executable content was dropped or overwritten
- vac.exe (PID: 5936)
The process drops C-runtime libraries
- vac.exe (PID: 5936)
Loads Python modules
- vacdecryptor.exe (PID: 300)
Reads security settings of Internet Explorer
- vac.exe (PID: 5936)
INFO
The sample compiled with english language support
- vac.exe (PID: 5936)
Create files in a temporary directory
- vac.exe (PID: 5936)
Checks supported languages
- vac.exe (PID: 5936)
- vacdecryptor.exe (PID: 300)
Reads the computer name
- vac.exe (PID: 5936)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
TRiD
| .exe | | | Win64 Executable (generic) (87.3) |
|---|---|---|
| .exe | | | Generic Win/DOS Executable (6.3) |
| .exe | | | DOS Executable Generic (6.3) |
EXIF
EXE
| MachineType: | AMD AMD64 |
|---|---|
| TimeStamp: | 2023:08:16 23:35:06+00:00 |
| ImageFileCharacteristics: | Executable, No line numbers, No symbols, Large address aware, No debug |
| PEType: | PE32+ |
| LinkerVersion: | 2.38 |
| CodeSize: | 115200 |
| InitializedDataSize: | 8316416 |
| UninitializedDataSize: | 65024 |
| EntryPoint: | 0x1125 |
| OSVersion: | 4 |
| ImageVersion: | - |
| SubsystemVersion: | 5.2 |
| Subsystem: | Windows command line |
Total processes
131
Monitored processes
5
Malicious processes
1
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 300 | "C:\Users\admin\AppData\Local\Temp\vac.exe" | C:\Users\admin\AppData\Local\Temp\onefile_5936_133904390085575071\vacdecryptor.exe | — | vac.exe | |||||||||||
User: admin Integrity Level: MEDIUM Exit code: 1 Modules
| |||||||||||||||
| 904 | \??\C:\WINDOWS\system32\conhost.exe 0xffffffff -ForceV1 | C:\Windows\System32\conhost.exe | — | vac.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Console Window Host Exit code: 0 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 4688 | "C:\WINDOWS\System32\SLUI.exe" RuleId=3482d82e-ca2c-4e1f-8864-da0267b484b2;Action=AutoActivate;AppId=55c92734-d682-4d71-983e-d6ec3f16059f;SkuId=4de7cb65-cdf1-4de9-8ae8-e3cce27b9f2c;NotificationInterval=1440;Trigger=TimerEvent | C:\Windows\System32\slui.exe | — | SppExtComObj.Exe | |||||||||||
User: NETWORK SERVICE Company: Microsoft Corporation Integrity Level: SYSTEM Description: Windows Activation Client Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 5936 | "C:\Users\admin\AppData\Local\Temp\vac.exe" | C:\Users\admin\AppData\Local\Temp\vac.exe | explorer.exe | ||||||||||||
User: admin Integrity Level: MEDIUM Exit code: 1 Modules
| |||||||||||||||
| 6048 | C:\WINDOWS\system32\SppExtComObj.exe -Embedding | C:\Windows\System32\SppExtComObj.Exe | — | svchost.exe | |||||||||||
User: NETWORK SERVICE Company: Microsoft Corporation Integrity Level: SYSTEM Description: KMS Connection Broker Version: 10.0.19041.3996 (WinBuild.160101.0800) Modules
| |||||||||||||||
Total events
550
Read events
550
Write events
0
Delete events
0
Modification events
Executable files
49
Suspicious files
0
Text files
0
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 5936 | vac.exe | C:\Users\admin\AppData\Local\Temp\onefile_5936_133904390085575071\vacdecryptor.exe | executable | |
MD5:D1636DA0D08151B296BA5387E02EE258 | SHA256:5A218A65E4E5320CC1A4B4428A1E1A44AC68A43CB18E608E8A9C55FFAFB16CED | |||
| 5936 | vac.exe | C:\Users\admin\AppData\Local\Temp\onefile_5936_133904390085575071\_hashlib.pyd | executable | |
MD5:4255C44DC64F11F32C961BF275AAB3A2 | SHA256:E557873D5AD59FD6BD29D0F801AD0651DBB8D9AC21545DEFE508089E92A15E29 | |||
| 5936 | vac.exe | C:\Users\admin\AppData\Local\Temp\onefile_5936_133904390085575071\api-ms-win-core-handle-l1-1-0.dll | executable | |
MD5:10F0C22C19D5BEE226845CD4380B4791 | SHA256:154EF0BF9B9B9DAA08101E090AA9716F0FA25464C4EF5F49BC642619C7C16F0E | |||
| 5936 | vac.exe | C:\Users\admin\AppData\Local\Temp\onefile_5936_133904390085575071\_queue.pyd | executable | |
MD5:F00133F7758627A15F2D98C034CF1657 | SHA256:35609869EDC57D806925EC52CCA9BC5A035E30D5F40549647D4DA6D7983F8659 | |||
| 5936 | vac.exe | C:\Users\admin\AppData\Local\Temp\onefile_5936_133904390085575071\api-ms-win-core-file-l2-1-0.dll | executable | |
MD5:7F14FD0436C066A8B40E66386CEB55D0 | SHA256:C78EAB8E057BDDD55F998E72D8FDF5B53D9E9C8F67C8B404258E198EB2CDCF24 | |||
| 5936 | vac.exe | C:\Users\admin\AppData\Local\Temp\onefile_5936_133904390085575071\_cffi_backend.pyd | executable | |
MD5:FDE9A1D6590026A13E81712CD2F23522 | SHA256:16ECCC4BAF6CF4AB72ACD53C72A1F2B04D952E07E385E9050A933E78074A7D5B | |||
| 5936 | vac.exe | C:\Users\admin\AppData\Local\Temp\onefile_5936_133904390085575071\api-ms-win-core-namedpipe-l1-1-0.dll | executable | |
MD5:0E5CD808E9F407E75F98BBB602A8DF48 | SHA256:1846947C10B57876239D8CB74923902454F50B347385277F5313D2A6A4E05A96 | |||
| 5936 | vac.exe | C:\Users\admin\AppData\Local\Temp\onefile_5936_133904390085575071\api-ms-win-core-localization-l1-2-0.dll | executable | |
MD5:71457FD15DE9E0B3AD83B4656CAD2870 | SHA256:DB970725B36CC78EF2E756FF4B42DB7B5B771BFD9D106486322CF037115BD911 | |||
| 5936 | vac.exe | C:\Users\admin\AppData\Local\Temp\onefile_5936_133904390085575071\api-ms-win-core-processenvironment-l1-1-0.dll | executable | |
MD5:CC52CD91B1CBD20725080F1A5C215FCC | SHA256:990DC7898FD7B442D50BC88FEC624290D69F96030A1256385391B05658952508 | |||
| 5936 | vac.exe | C:\Users\admin\AppData\Local\Temp\onefile_5936_133904390085575071\api-ms-win-core-memory-l1-1-0.dll | executable | |
MD5:D39FBBEAC429109849EC7E0DC1EC6B90 | SHA256:AEEC3D48068137870E6E40BAD9C9F38377AA06C6EA1AC288E9E02AF9E8C28E6B | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
5
TCP/UDP connections
20
DNS requests
13
Threats
0
HTTP requests
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
— | — | GET | 200 | 2.23.246.101:80 | http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl | unknown | — | — | whitelisted |
— | — | GET | 200 | 23.216.77.28:80 | http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl | unknown | — | — | whitelisted |
6544 | svchost.exe | GET | 200 | 184.30.131.245:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D | unknown | — | — | whitelisted |
6872 | SIHClient.exe | GET | 200 | 95.101.149.131:80 | http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Product%20Root%20Certificate%20Authority%202018.crl | unknown | — | — | whitelisted |
6872 | SIHClient.exe | GET | 200 | 95.101.149.131:80 | http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Update%20Secure%20Server%20CA%202.1.crl | unknown | — | — | whitelisted |
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
Connections
PID | Process | IP | Domain | ASN | CN | Reputation |
|---|---|---|---|---|---|---|
4 | System | 192.168.100.255:137 | — | — | — | whitelisted |
2104 | svchost.exe | 40.127.240.158:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
— | — | 40.127.240.158:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
— | — | 23.216.77.28:80 | crl.microsoft.com | Akamai International B.V. | DE | whitelisted |
— | — | 2.23.246.101:80 | www.microsoft.com | Ooredoo Q.S.C. | QA | whitelisted |
4 | System | 192.168.100.255:138 | — | — | — | whitelisted |
3216 | svchost.exe | 172.211.123.248:443 | client.wns.windows.com | MICROSOFT-CORP-MSN-AS-BLOCK | FR | whitelisted |
6544 | svchost.exe | 20.190.160.4:443 | login.live.com | MICROSOFT-CORP-MSN-AS-BLOCK | NL | whitelisted |
6544 | svchost.exe | 184.30.131.245:80 | ocsp.digicert.com | AKAMAI-AS | US | whitelisted |
2112 | svchost.exe | 51.104.136.2:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
DNS requests
Domain | IP | Reputation |
|---|---|---|
settings-win.data.microsoft.com |
| whitelisted |
google.com |
| whitelisted |
crl.microsoft.com |
| whitelisted |
www.microsoft.com |
| whitelisted |
client.wns.windows.com |
| whitelisted |
login.live.com |
| whitelisted |
ocsp.digicert.com |
| whitelisted |
slscr.update.microsoft.com |
| whitelisted |
fe3cr.delivery.mp.microsoft.com |
| whitelisted |